MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Library of Medicine, National (NLM)
The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National Institutes of Health (NIH). The NLM has as its mission to collect, organize, and make available biomedical science information to…
Read the definitionRandom terms
Show more- Nephrologist A medical specialist in nephrology (the study of the kidney or 'kidney-ology')
- Ductal carcinoma in situ See: DCIS
- MALT Mucosa-associated lymphoid tissue.
- Glucose tolerance, impaired See: Impaired glucose tolerance
- Laryngomalacia A soft floppy larynx (voice box). NTER>
- June cold A popular term for hay fever. Although the symptoms of a 'June cold' may be quite similar to those of a real…
- Coronary artery spasm A spasm (a sudden constriction) of one of the coronary arteries depriving the (myocardium (the heart muscle)…
- Neurosyphilis Neurological complications in the third (tertiary) and final phase of syphilis, which involve the central…
- Postmenopausal After the menopause. Postmenopausal is defined formally as the time after which a woman has experienced…
- Aggressive In oncology, quickly growing, tending to spread rapidly. As, for example, an aggressive tumor
- Cranial nerve III The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the…
- HT1A See: 5-HT1A